Home / 299,004,076.40-448,590,095.40-145,655,135.60

Finding the Fourth Proportional to 299,004,076.40, 448,590,095.40 and 145,655,135.60

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Solution

The fourth proportional to 299,004,076.40, 448,590,095.40 and 145,655,135.60 is: 218,523,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,004,076.40 : 448,590,095.40 = 145,655,135.60 : x
  2. Step 2: Convert to fraction form
    299,004,076.40/448,590,095.40 = 145,655,135.60/x
  3. Step 3: Cross multiply
    299,004,076.40x = 448,590,095.40 × 145,655,135.60
  4. Step 4: Simplify right side
    299,004,076.40x = 65,339,451,174,303,928
  5. Step 5: Solve for x
    x = 65,339,451,174,303,928/299,004,076.40
  6. Step 6: Final answer
    x = 218,523,613.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.